CIighly resolved emission spectra of coronenc and perylene molecules included in singe crystals of n-hcphne have been ob%rved at 4.2 IL Comparison with spectra obtained in polycrystallizcd solutions indicates that solute molecules are trapped in similar substitutional sites in both matrices. Polariz
Distortion and orientation of coronene included in n-heptane single crystals
β Scribed by A.-M. Merle; W.M. Pitts; M.A. Sayed
- Publisher
- Elsevier Science
- Year
- 1979
- Tongue
- English
- Weight
- 213 KB
- Volume
- 18-19
- Category
- Article
- ISSN
- 0022-2313
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π SIMILAR VOLUMES
A comparison of the one-and tvzo-nhoton absorption spectra of triphenylene in n-heptane single crystals at 1.6 K reveals that the lowest singlet state (Sl) &of IA> symmetry while the second singlet state (S2) has 'Ai symmetry, ir. contradiction with the comrnordy accepted assignment\_
Experimental results are presented that support an earlier hypothesis that the bulk diffusion near surfaces is orientation dependent. From a literature study, the calculated surface energy of the (110) surface is higher than that of the (111) surface in fcc crystals, which could lead to different va
## Abstract In the present paper morphology and orientation relations of BaCl~2~ precipitates in NaCl single crystals are described. It is shown that BaCl~2~ precipitates of large dimensions are formed at the dislocations of a/2γ110γ{100}, the dislocation lines of which are oriented in the directio